<template>
  <div class="permission-container">
    <div class="app-container">
      <!-- 表格 -->
      <el-card>
        <div style="text-align: right; margin-bottom: 20px">
          <el-button type="primary" size="small" @click="addRole(1, '0')">
            添加权限
          </el-button>
        </div>
        <el-table border row-key="id" :data="list">
          <el-table-column label="名称" prop="name" />
          <el-table-column label="标识" prop="code" />
          <el-table-column label="描述" prop="description" />
          <el-table-column label="操作">
            <template #default="{ row }">
              <el-button
                v-if="row.type === 1"
                size="small"
                type="text"
                @click="addRole(2, row.id)"
              >
                添加权限点
              </el-button>
              <el-button size="small" type="text" @click="editRole(row.id)">
                查看
              </el-button>
              <el-button size="small" type="text" @click="delRole(row.id)">
                删除
              </el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-card>
    </div>
    <!-- 新增编辑的弹层 -->
    <el-dialog :visible="showDialog" :title="showTitle" @close="closeDialog">
      <!-- 表单内容 -->
      <el-form label-width="100px">
        <el-form-item label="权限名称">
          <el-input v-model="formData.name" />
        </el-form-item>
        <el-form-item label="权限标识">
          <el-input v-model="formData.code" />
        </el-form-item>
        <el-form-item label="权限描述">
          <el-input v-model="formData.description" />
        </el-form-item>
        <el-form-item label="权限启用">
          <el-switch
            v-model="formData.enVisible"
            active-text="启用"
            active-value="1"
            inactive-text="不启用"
            inactive-value="0"
            active-color="red"
          />
        </el-form-item>
      </el-form>

      <template #footer>
        <div style="text-align: right">
          <el-button @click="closeDialog">取消</el-button>
          <el-button type="primary" @click="clickSubmit">确定</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script>
import {
  reqGetPermissionList,
  reqAddPermission,
  reqDelPermission,
  reqGetPermissionDetail,
  reqUpdatePermission
} from '@/api/permission'
import { transListToTreeData } from '@/utils/index'
export default {
  name: 'Permission',
  data() {
    return {
      list: [], // 存储递归完成后的数据
      showDialog: false,
      formData: {
        enVisible: '0', // 启用禁用, 0禁用, 1启用
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        type: '', // 类型标记了一级(页面访问权) 二级(按钮操作权)
        pid: '' // 添加到哪个节点下
      }
    }
  },
  computed: {
    showTitle() {
      if (this.formData.id) {
        return '查看编辑'
      } else {
        return '添加权限'
      }
    }
  },

  created() {
    this.getPermissionList()
  },
  methods: {
    async getPermissionList() {
      const { data } = await reqGetPermissionList()
      this.list = transListToTreeData(data, '0')
      // console.log(this.list)
    },
    // 点击添加权限打开弹窗
    addRole(type, id) {
      this.showDialog = true
      this.formData.type = type
      this.formData.pid = id
    },
    // 关闭弹窗
    closeDialog() {
      this.showDialog = false
      this.formData = {
        enVisible: '0', // 开启
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        type: '', // 类型
        pid: '' // 添加到哪个节点下
      }
    },
    // 弹窗内确认按钮
    async clickSubmit() {
      // 判断添加还是编辑
      if (this.formData.id) {
        // 走编辑
        await reqUpdatePermission(this.formData)
        this.$message.success('修改成功')
      } else {
        // 走添加
        if (this.formData.name === '' || this.formData.code === '') {
          this.$message.error('权限名称和权限标识不能为空')
          return
        }
        await reqAddPermission(this.formData)
        this.$message.success('添加成功')
      }

      this.getPermissionList()
      this.closeDialog()
    },
    // 删除权限
    delRole(id) {
      this.$confirm('确定要删除该权限吗?', '温馨提示')
        .then(async () => {
          await reqDelPermission(id)
          this.getPermissionList()
          this.$message.success('删除成功')
        })
        .catch(() => {
          console.log('取消')
        })
    },
    // 点击编辑打开弹窗
    async editRole(id) {
      // 获取数据回显
      const { data } = await reqGetPermissionDetail(id)
      this.formData = data
      this.showDialog = true
    }
  }
}
</script>
<style scoped></style>
